Finding the Fourth Proportional to 8,261,412,673.32, 12,395,778,473.34 and 4,330,184,557.68
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Solution
The fourth proportional to 8,261,412,673.32, 12,395,778,473.34 and 4,330,184,557.68 is: 6,497,194,928.78
Step by Step Solution
- Step 1: Write the proportion equation
8,261,412,673.32 : 12,395,778,473.34 = 4,330,184,557.68 : x - Step 2: Convert to fraction form
8,261,412,673.32/12,395,778,473.34 = 4,330,184,557.68/x - Step 3: Cross multiply
8,261,412,673.32x = 12,395,778,473.34 × 4,330,184,557.68 - Step 4: Simplify right side
8,261,412,673.32x = 53,676,008,525,679,034,368 - Step 5: Solve for x
x = 53,676,008,525,679,034,368/8,261,412,673.32 - Step 6: Final answer
x = 6,497,194,928.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.